Anatomy Physiology Unit 5 Practice Quiz

A patient has been experiencing severe, persistent allergy symptoms that are reduced when she takes an antihistamine. Before the treatment, this patient was likely to have had increased activity of which leukocyte? Select one: a. basophils b. neutrophils c. monocytes d. natural killer cells

a. basophils

Which primitive area of the heart will give rise to the right ventricle? Select one: a. bulbus cordis b. primitive ventricle c. sinus venosus d. truncus arteriosus

a. bulbus cordis

What drug is used to counteract the effects of anaphylactic shock? Select one: a. epinephrine b. antihistamines c. antibiotics d. aspirin

a. epinephrine

The cardiovascular centers are located in which area of the brain? Select one: a. medulla oblongata b. pons c. mesencephalon (midbrain) d. cerebrum

a. medulla oblongata

The first step in hemostasis is ________. Select one: a. vascular spasm b. conversion of fibrinogen to fibrin c. activation of the intrinsic pathway d. activation of the common pathway

a. vascular spasm

Which type of immune response is most directly effective against bacteria? Select one: a. natural killer cells b. complement c. cytotoxic T cells d. helper T cells

b. complement

In a blood pressure measurement of 110/70, the number 70 is the ________. Select one: a. systolic pressure b. diastolic pressure c. pulse pressure d. mean arterial pressure

b. diastolic pressure

Which of the following cells is phagocytic? Select one: a. plasma cell b. macrophage c. B cell d. NK cell

b. macrophage

Ventricular relaxation immediately follows ________. Select one: a. atrial depolarization b. ventricular repolarization c. ventricular depolarization d. atrial repolarization

b. ventricular repolarization

In which septum is it normal to find openings in the adult? Select one: a. interatrial septum b. interventricular septum c. atrioventricular septum d. all of the above

c. atrioventricular septum

Arteries serving the stomach, pancreas, and liver all branch from the ________. Select one: a. superior mesenteric artery b. inferior mesenteric artery c. celiac trunk d. splenic artery

c. celiac trunk

Which type of T cell is most effective against viruses? Select one: a. Th1 b. Th2 c. cytotoxic T cells d. regulatory T cells

c. cytotoxic T cells

The ductus venosus is a shunt that allows ________. Select one: a. fetal blood to flow from the right atrium to the left atrium b. fetal blood to flow from the right ventricle to the left ventricle c. most freshly oxygenated blood to flow into the fetal heart d. most oxygen-depleted fetal blood to flow directly into the fetal pulmonary trunk

c. most freshly oxygenated blood to flow into the fetal heart

Which of the formed elements arise from myeloid stem cells? Select one: a. B cells b. natural killer cells c. platelets d. all of the above

c. platelets

In the myogenic response, ________. Select one: a. muscle contraction promotes venous return to the heart b. ventricular contraction strength is decreased c. vascular smooth muscle responds to stretch d. endothelins dilate muscular arteries

c. vascular smooth muscle responds to stretch

The influx of which ion accounts for the plateau phase? Select one: a. sodium b. potassium c. chloride d. calcium

d. calcium

Removing functionality from a B cell without killing it is called ________. Select one: a. clonal selection b. clonal expansion c. clonal deletion d. clonal anergy

d. clonal anergy

What disease is associated with bone marrow transplants? Select one: a. diabetes mellitus type I b. melanoma c. headache d. graft-versus-host disease

d. graft-versus-host disease

Which of the following plasma proteins is not produced by the liver? Select one: a. fibrinogen b. alpha globulin c. beta globulin d. immunoglobulin

d. immunoglobulin

Net filtration pressure is calculated by ________. Select one: a. adding the capillary hydrostatic pressure to the interstitial fluid hydrostatic pressure b. subtracting the fluid drained by the lymphatic vessels from the total fluid in the interstitial fluid c. adding the blood colloid osmotic pressure to the capillary hydrostatic pressure d. subtracting the blood colloid osmotic pressure from the capillary hydrostatic pressure

d. subtracting the blood colloid osmotic pressure from the capillary hydrostatic pressure