Final Flashcards
1-C16. Which cells in your pancreas are stimulated to release insulin when your blood sugar is too high?
a. alpha cells b. T cells c. beta cells d. Langerhans cells
C. Beta cells
In the PIP2-Calcium signaling mechanism, DAG activates which of the following?
a. protein kinase b. G protein c. calcium ATPase d. phospholipase
A. Protein kinase
Oxytocin ________.
a. release is an example of a positive feedback control mechanism
b. is an anterior pituitary secretion
c. exerts its most important effects during menstruation
d. controls milk production
A.
Hormones react with target cells to do which of the following?
a. activate enzymes b. deactivate enzymes c. induce secretory activity d. all of the above
D
Which of the following hormones stimulates the thyroid gland?
a. TSH b. FSH c. LH d. ACTH
A
Which of the following is a potent hyperglycemic agent? A. insulin B. glucagon C. proinsulin D. none of the above
B
A decrease in blood pressure does not stimulate the release of which of the following? A. aldosterone B. atrial natriuretic peptide C. angiotensin II D. angiotensinogen
B
As a result of stress, the anterior pituitary releases ________, which stimulates release of hormones from the adrenal cortex that retain sodium and water, leading to increases in blood volume and pressure.
a. thyroid stimulating hormone
b. growth hormone
c. ACTH
d. prolactin
C
Melatonin ________.
a. is produced by the parathyroid glands
b. is responsible for regulating the sleep cycle
c. triggers sexual maturation and puberty
d. is at its highest levels at around noon
B
Which of the following is NOT an anterior pituitary hormone? A. FSH B. GH C. Prolactin D. ADH
D
A release of parathyroid hormone (PTH) will trigger ________.
a. increased osteoblast activity
b. a reduction of calcium reabsorption in the kidney tubules
c. increased activation of vitamin D
d. a drop in blood calcium levels
C
Name the leukocytes from most abundant to least.
a. neutrophils, lymphocytes, monocytes, eisonophils, basophils b. lymphocytes, neutrophils, monocytes, eisonophils, basophils c. neutrophils, lymphocytes, monocytes, basophils, eisonophils d. basophils, eisonophils, monocytes, lymphocytes, neutrophils
A
The white blood cell type that releases histamine and its inflammatory chemicals is the:
a. basophil b. neutrophil c. monocyte d. eosinophil
A
Blood viscosity deals with how your blood flows. Which of the following is most likely to happen to a person with a high red blood cell count?
a. His blood would be less resistant to flow. b. No changes in his blood flow. c. His blood would flow faster. d. His blood would be more resistant to flow.
D
When a sample of blood in a test tube is spun in a centrifuge, what is the more heavier material left at the bottom of the tube?
a. plasma b. erythrocytes c. platelets d. leukocytes
B
Which body activity would be most affected if a patient lacked an adequate number of erythrocytes (anemia)?
a. clotting
b. immune response
c. hormone transport
d. oxygen transport
D
With a patient that is administered an injection of erythropoietin (EPO) you would expect to eventually see a/an ________.
a. decreased white blood cell count
b. increased white blood cell count
c. decreased hematocrit
d. increased hematocrit
D
What is the average normal pH range of blood?
a. 8.35-8.45
b. 7.75-7.85
c. 7.35-7.45
d. 4.65-4.75
C
The special type of hemoglobin present in fetal red blood cells is ________.
a. hemoglobin A
b. hemoglobin B
c. hemoglobin F
d. hemoglobin S
C
Sickle cell anemia is associated with which of the following?
a. incorrect amino acid substitution in Hb formation
b. increased rbc production
c. normal blood cell shape
d. all of the above
A
If a patient with type B blood received a transfusion of AB blood, which of the following would occur?
a. The patient’s A antigens (antiglutinogens) will agglutinate with the anti-A antibodies (agglutinins) in the donor blood.
b. The patient’s anti-A antibodies (agglutinins) will agglutinate with the A antigens (antiglutinogens) in the donor blood.
c. The patient’s B antigens (antiglutinogens) will agglutinate with the anti-B antibodies (agglutinins) in the donor blood.
d. The patient’s anti-B antibodies (agglutinins) will agglutinate with the B antigens (agglutinins) in the donor blood.
B
Adult hemoglobin is made up of: A. 1 alpha and 1 beta chain B. 1 alpha and 1 gamma chain C. 2 alpha and 2 beta chains D. 2 alpha and 2 gamma chains
C
Blood returning to the heart from the systemic circulation first enters the:
a. aorta b. left atrium c. left ventricle d. right atrium
D
The P wave on an ECG tracing represents:
a. atrial depolarization b. ventricular depolarization c. atrial repolarization d. ventricular repolarization
A