AInternal Med, Epidemiology. MD Chubut, S Isidro, Buenos Aires. School of Health Sciences Miabout Me
Thursday, December 19, 2013
Sunday, December 1, 2013
Wednesday, November 27, 2013
Wednesday, June 26, 2013
Friday, June 7, 2013
Friday, May 17, 2013
Sunday, April 14, 2013
Quiz Chapter 18
Quiz Chaper 18
1.
What is one of the endocrine functions of the
hypothalamus?
2.
If levels of calcium are low in the blood, what
hormone would restore calcium to homeostasis?
3.
Which of the following indirect-acting hormones
activates adenylate cyclase and will produce a change in cellular activity by
way of cAMP?
4.
What is the role of FSH in males?
5.
Why do high levels of cortisol, a steroid
hormone from the adrenal cortex, cause a decrease in the pituitary secretion of
ACTH?
6.
Which pancreatic cell type is paired with the
hormone it produces?
7.
Which is the effect of glucagon?
8.
Why are diabetics continuously thirsty and why
do they frequently urinate?
9.
Increased amounts of sunlight inhibit the
production of which hormone?
10.
What is the effect of renin secretion by the
kidneys?
11.
The removal of the parathyroid glands results in
a decrease in the blood concentration of which important mineral?
12.
Melatonin is well known for its role in
regulating circadian rhythm. What are two other functions of melatonin?
Friday, April 12, 2013
Tuesday, April 9, 2013
Quiz Chapter 29
Quiz Chapter 29
1.
What is an important enzyme involved in the
penetration of the oocyte during fertilization?
2.
What process of chemical interplay among
developing cells prompts the differentiation of other embryonic cells?
3.
What is the developmental fate of the inner
cell mass of the blastocyst?
4.
Improper development of which of the
extraembryonic membranes affects the cardiovascular system?
5.
Which of the three embryonic germ layers
consists of cells that do NOT migrate to the interior of the inner cell
mass?
6.
Which body system develops from all three
embryonic germ layers?
7.
What is (are) the important function(s) of the
placenta?
8.
Why does a mother’s blood volume increase during
pregnancy?
9.
What are the important roles of hCG in
maintaining pregnancy?
10.
Why is it more detrimental for a pregnant
woman to be exposed to teratogens, alcohol, or drugs during the first trimester
than later in pregnancy?
11.
Where is oxytocin produced in the brain?
12.
Which factor opposing progesterone is the
trigger for the onset of “true labor”?
13.
When the lungs expand as neonate takes his or
her first breath, what important change(s) occur(s) in the cardiovascular
system?
14.
If a fetus is delivered at 26 weeks and weighs
550 g, what type of delivery has occurred and what are the chances of survival?
15.
Why are children not identical copies of their
parents?
Sunday, March 31, 2013
Chapter 28 – Quiz
Chapter 28 – Quiz
1.
What will happen to the penis if the arteries
within the penis dilate?
2.
Which structures move with the testes
during their descent from the abdomen?
3.
How is the generation of four sperm
possible from one spermatogonium?
4.
Which layer of the uterus is sloughed off during
menstruation?
5.
What event occurs in the uterine cycle when the
levels of estrogens and progesterone decline?
6.
Oral contraceptives contain estrogen and
progesterone. What effect does taking oral contraceptives have on the menstrual
cycle?
7.
Why does the level of FSH rise and remain high
during menopause?
8.
How is an oocyte transported along the uterine
tube?
9.
What changes are observed in the ovarian cycle
if the LH surge does not occur?
10.
In the male reproductive system, the prostate
gland releases an antibiotic called ________.
This protects against urinary tract infections in the male.
11.
What benefit does the acidic pH of the vagina
provide?
12.
Which scenario results in females if GnRH is
absent or it is secreted as a constant rate, rather than in pulses?
Monday, March 11, 2013
Chapter 27 Quiz
Chapter 27 Quiz
- What is the primary cause of hypercalcemia?
- How does a prolonged fast affect the body’s pH
- What effect does a decrease in the pH of body fluids have on respiratory rate?
- Wayne’s cardiac muscle cells have been releasing ANP in response to overstretching of his heart walls. What is the effect of the release of ANP?
- If the osmotic concentration of ECF increases, what happens in the cells?
- Mr. Proctor has high blood pressure. As his physician, why do you counsel him to limit his intake of sodium?
- What is a possible reason for the development of metabolic acidosis?
- What effect does drinking a pitcher of distilled water have on ADH secretion?
- Hyperventilation produces which effects?
- Why can prolonged vomiting produce metabolic alkalosis, while prolonged diarrhea produces metabolic acidosis?
Sunday, March 3, 2013
Chapter 26 – Quiz –
Chapter 26 – Quiz –
1.
What is the composition of the filtrate in the
capsular space?
2.
What part of the nephron is involved with
obligatory water, ion, and organic nutrient reabsorption?
3.
Why don’t plasma proteins pass into the capsular
space under normal circumstances?
4.
What is the major driving force behind filtrate
production?
5.
What effect does renin have on the glomerular
filtration rate (GFR)?
6.
Why is the presence of microvilli important to
the epithelial tissue of the PCT?
7.
Why does the filtrate dilute all along the
ascending loop?
8.
Which structures exit at the hilum of the
kidney?
9.
The ability to control the micturition reflex
depends on the ability to control which muscle?
10.
Mary has had a urinalysis that indicates a high
level of bilirubin. What condition may she have?
11.
What effect does eating a high-protein diet have
on the composition of urine?
12.
Which portion of a nephron is NOT in the renal
cortex?
Tuesday, February 26, 2013
QUIZ -Chapter 25-
QUIZ -Chapter 25-
1.
What is the primary role of the TCA cycle in the
production of ATP?
2.
What is the electron transport system’s role in
the generation of ATP?
3.
How does a decrease in the level of cytoplasmic
NAD affect ATP production in mitochondria?
4.
NADH produced by glycolysis in skeletal muscle
fibers leads to production of two ATP molecules in mitochondria, but NADH
produced by glycolysis in cardiac muscle cells leads to production of three ATP
molecules. Why?
5.
Why is oxidative phosphorylation the most
important mechanism for generating ATP?
6.
What consequence(s) is (are) the result of a
dietary deficiency of one or more essential amino acids?
7.
Why are proteins an impractical source of quick
energy, a “last ditch” source of energy
8.
Why are high-density lipoproteins (HDLs)
considered beneficial?
9.
Why is catabolism of dietary carbohydrates and
proteins considered “not as productive” as catabolism of lipids?
10.
Why are LDLs considered “bad cholesterol”?
11.
Why does hypervitaminosis more commonly involve fat-soluble
vitamins?
12.
What process in the liver increases after you
have eaten a high-carbohydrate meal?
Monday, February 18, 2013
Quiz Questions Chapter 24
Quiz Questions
Chapter 24
1. What is occurring when the soft
palate and larynx elevate and the glottis closes?
2. Which structures comprise a hepatic
triad?
3. The major histological differences
between the large intestine and small intestine are?
4. How do most chylomicrons enter the
lymphatic system?
5. Where in the human body will chemical
digestion begin?
6. In which region(s) of the digestive
tract does mechanical processing occur?
7. What effect does secretion of
secretin by enteroendocrine cells of the duodenum have on the pancreas?
8. Why is diarrhea potentially life
threatening, but constipation is not?
Saturday, February 2, 2013
Quiz Questions for Chapter 23
.1.
Why are the cartilages that reinforce the
trachea C-shaped?
2.
Which structure is the final part of the conduction
portion of the respiratory system?
3.
What role do the nasal conchae play in the
respiratory system?
4.
In pneumonia, fluid accumulates in the alveoli
of the lungs and bronchioles constrict. What effect does pneumonia have on
vital capacity?
5.
How is inspiratory capacity calculated?
6.
Which gas law states, “At a given temperature,
the amount of a particular gas in solution is directly proportional to the
partial pressure of that gas”?
7.
Why is it important to exhale while lifting
weights?
8.
Edward breaks a rib that punctures his left
lung. What will happen to his left lung and how will it be treated?
Sunday, January 27, 2013
Question Quiz for chapter 22
1. If the thymus failed to produce
thymic hormones, which population of lymphocytes would be affected?
2. Why do lymph nodes enlarge during
some infections?
3. Which of the following is a dangerous
consequence of lymphedema in a limb?
4. What effects do pyrogens have in the
body?
5. A decrease in the number of cytotoxic
T cells directly affects which type of immunity?
6. How does the absence of helper T
cells affect the antibody-mediated immune response?
7. Which kind of immunity protects a
developing fetus, and how is that immunity produced?
8. A tumor cell has developed and begun
to divide in Amy’s liver. What type of immune cells will be able to detect and
kill the tumor cells?
Question Quiz for chapter 21
Question Quiz for chapter 21
1. Why does blood pressure increase
during exercise?
2. While standing in the hot sun, Sally
begins to feel light-headed and faints. Why?
3. Why is blood pressure higher in the
aorta than in the inferior vena cava?
4. How is mean arterial pressure (MAP)
determined?
5. Why are valves located in veins, but
not in arteries?
6. Mr. Petit has been prescribed an ACE
inhibitor. What effect will this have on his body?
7. A patient in the ER has lost 1.5
liters of blood. Which of the following help restore venous return and improve
cardiac output?
8. Which of the following is a unique
characteristic of arteries, when compared to veins?
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The chapter 21 is there!! Please check your e-mail for the key words for the test # 1. See you!!
Friday, January 18, 2013
Question Quiz for chapter 20
- The region between the two pleural cavities that contains the heart and great vessels is called the .....
- Which layer of pericardium touches the heart
- Why is the left ventricle more muscular than the right ventricle?
- What factor could cause an increase in the size of the QRS complex of an electrocardiogram recording?
- Why is there no wave corresponding to atrial repolarization on an ECG reading?
- What is the most important factor in considering cardiac function over time?
- What is the effect of NE binding to adrenergic receptors?
- How does damage to the cardioinhibitory center of the medulla affect heart rate? Why?
Sunday, January 13, 2013
quiz questions of chapter 19 for participation
- What accounts for males’ HCT (~46) being higher than females’ HCT (~42)
- Why is it important that when iron binds to oxygen that this is a temporary and reversible interaction?
- Under normal conditions, what is the fate of the globular proteins of a recycled hemoglobin molecule?
- All of the following EXCEPT ___ are characteristics of all types of WBCs
- Why can’t a person with Type A blood safely receive blood from a person with Type B blood?
- Cirrhosis is a consequence of chronic liver disease where the tissue becomes fibrotic. How could this disease impact the blood?
- In which organ are most plasma proteins synthesized?
- Which characteristics of blood contribute to its high viscosity?
- Andrew has blood type O negative. What type of blood can he receive from a donor? Why?
- Which type of WBC is found in greatest numbers in an infected cut?
The Medical Education Corner: Hemoglobin
The Medical Education Corner: Hemoglobin: http://www.youtube.com/watch?v=eor6EK_JP40&feature=fvwrel
The Medical Education Corner: blood types
The Medical Education Corner: blood types: http://www.youtube.com/watch?v=KXTF7WehgM8&feature=related
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