Navigation » List of Schools » East Los Angeles College » Physiology » Physiology 001 – Introduction to Human Physiology » Winter 2021 » Lecture Exam 3
Below are the questions for the exam with the choices of answers:
Question #1
A Increased parasympathetic stimulation
B Increased activity of the skeletal muscle pump
C Increased blood volume
D Increased venous return
E Increased sympathetic stimulation
Question #2
A Increase stroke volume
B Decrease stroke volume
C Increase total peripheral resistance (TPR)
D Increase heart rate
E Decrease heart rate
Question #3
A making the children sit on the toilet until they defecate at least once a day.
B feeding the children foods with more lipid content.
C feeding the children foods with a high proportion of cellulose and other indigestible carbohydrates.
D avoiding foods that can lead to accumulation of toxins in feces.
E avoiding milk, the children may be lactose intolerant.
Question #4
A The presence of fatty acids in the stomach stimulates the secretion of secretin, whichinhibits motility of the large intestine.
B The presence of fatty acids in the duodenum stimulates the secretion of CCK, which in turn stimulates secretion of pancreatic enzymes.
C The presence of fatty acids in the duodenum stimulates emptying of the stomach.
D The presence of fatty acids in the duodenum stimulates the secretion of secretin, which in turn stimulates contraction of the gallbladder.
E The presence of fatty acids in the duodenum stimulates the secretion of gastrin, which in turn stimulates bile synthesis in the gallbladder.
Question #5
A FALSE
B TRUE
Question #6
A FALSE
B TRUE
Question #7
A TRUE
B FALSE
Question #8
A Somatostatin
B Histamine
C Acetylcholine
D Histamine, Gastrin and Acetylcholine
E Gastrin
F CCK
Question #9
A It is produced in the exocrine pancreas, and catalyzes the degradation of chylomicrons into proteins and fats.
B It catalyzes the breakdown of triglycerides into monoglycerides and free fatty acids.
C It emulsifies lipids.
D It is secreted by the endocrine pancreas.
E It is mainly produced in the liver, and secreted into the small intestine.
Question #10
A TRUE
B FALSE
Question #11
A Carbohydrate digestion begins in the stomach.
B Sucrose is the main form of carbohydrate that can be absorbed by active transport across the intestinal epithelium.
C Cellulose from plants is a polymer of glucose that can be easily digested and absorbed by the human GI tract.
D Digestible polysaccharides are broken down into the monosaccharides glucose, galactose, and fructose, which can be absorbed.
E Lactose intolerance results from an insufficiency of the enzyme amylase.
Question #12
A FALSE
B TRUE
Question #13
A TRUE
B FALSE
Question #14
A segmentation.
B eccentric.
C distension.
D peristalsis.
E mass movement.
Question #15
A myoglobin.
B transferrin.
C glycogen.
D hemochromatosis.
E ferritin.
Question #16
A The pyloric sphincter relaxes.
B Respiration is inhibited.
C The lower esophageal sphincter relaxes.
D The upper esophageal sphincter relaxes.
E The glottis closes.
Question #17
A FALSE
B TRUE
Question #18
A TRUE
B FALSE
Question #19
A the heavy immunoglobulin chain only.
B the light immunoglobulin chain only.
C gamma immunoglobulin only.
D a specific antigen-binding site formed by heavy and light chains.
E a hypervariable region of immunoglobulin DNA.
Question #20
A They may cause a host cell to become cancerous.
B They may have genetic information in the form of RNA.
C They consist of a nucleic acid surrounded by a carbohydrate shell.
D They may reside in a host cell for years without killing it.
E They require a host cell in order to reproduce themselves.
Question #21
A FALSE
B TRUE
Question #22
A FALSE
B TRUE
Question #23
A Immune-complex hypersensitivity
B Cytotoxic hypersensitivity
C Immediate hypersensitivity
D Delayed hypersensitivity
Question #24
A memory cells.
B macrophages.
C T cells.
D cytokines.
E monocytes.
Question #25
A The greatest risk to a fetus occurs when both mother and fetus are Rh-positive.
B A fetus with type B blood may be at risk if its mother has type O blood.
C An Rh-negative fetus may be at risk if its mother is Rh-positive.
D The risk to anRh-positive fetus of an Rh-negative mother is lessened if she haspreviously carried anRh-negative fetus.
E An Rh-positive fetus may be at risk if its mother is Rh-negative.
Question #26
A Antibodies
B Type 2 interferons
C Type 1 interferons
D Interleukin 2
E Colony-stimulating factors
Question #27
A Large numbers of macrophages and lymphocytes are found in the lymph nodes and spleen.
B Once a lymphocyte reaches a secondary lymphoid organ, it remains there for its lifetime.
C The thymus secretes protein hormones, collectively called thymopoietins.
D The tonsils contain lymphocytes, macrophages, and dendritic cells that respond to microbes in food.
E The primary lymphoid organs are the bone marrow and thymus.
Question #28
A TRUE
B FALSE
Question #29
A Respiratory alkalosis
B Metabolic acidosis
C Increased blood P CO2
D Metabolic alkalosis
E Respiratory acidosis
Question #30
A Breathing air with increased PCO2
B Higher than normal arterial pH
C Iron-deficiency anemia
D Breathing carbon monoxide
E Lower than normal arterial PCO2
Question #31
A TRUE
B FALSE
Question #32
A TRUE
B FALSE
Question #33
A FALSE
B TRUE
Question #34
A TRUE
B FALSE
Question #35
A As carbonic anhydrase
B AsH 2CO 3
C As dissolved HCO 3 –
D As dissolved CO 2
E Bound to hemoglobin
Question #36
A sympathetic; relaxation; increase
B sympathetic; contraction; increase
C motor; contraction; increase
D parasympathetic; contraction; decrease
E motor; contraction; decrease
Question #37
A Alveolar PO 2 decreases.
B Alveolar PO 2 increases.
C No change from sea level, as long as we breathe in the same volume of air.
Question #38
A TRUE
B FALSE
Question #39
A FALSE
B TRUE
Question #40
A Some backflow of blood into the aorta during ventricular diastole
B Some backflow of blood into the left ventricle during ventricular ejection
C Some backflow of blood into the aorta during ventricular ejection
D Some backflow of blood into the left atrium during ventricular systole
E Some backflow of blood into the left ventricle during ventricular diastole
Question #41
A Less fluid than usual will flow out of the capillary based on the osmotic pressure.
B More fluid than usual will flow out of the capillary based on the hydrostatic pressure.
C Less fluid than usual will flow out of the capillary based on the hydrostatic pressure.
D More fluid than usual will flow out of the capillary based on the osmotic pressure.
Question #42
A Alpha-adrenergic receptor agonists
B A drug that increases T-type Ca 2+ channel currents
C A drug that increasesL-type Ca 2+ channel currents
D Cholinergic antagonist
E Beta-adrenergic receptor antagonists
Question #43
A TRUE
B FALSE
Question #44
A FALSE
B TRUE
Question #45
A FALSE
B TRUE
Question #46
A the heart.
B the abdominal organs.
C the skeletal muscles
D the skin.
E the brain.
Question #47
A Plasminogen is an inactive precursor of the enzyme plasmin.
B Tissue plasminogen activator (t-PA) is secreted by endothelial cells.
C It involves aggregation of soluble fibrin fragments into fibrin.
D Activation of the reactions that lead to blood clotting ultimately lead to blood clot dissolution.
E Blood clots are digested by plasmin.
Question #48
A Total peripheral resistance
B Hydrostatic pressure in the capillaries
C Heart rate
D Cardiac output
E Mean arterial pressure
Question #49
A TRUE
B FALSE
Question #50
A FALSE
B TRUE
Question #51
A Dietary iron deficiency
B Lung disease
C Internal bleeding
D Dietary vitamin B12 deficiency
E Kidney disease
Question #52
A coronary vessels.
B gap junctions.
C desmosomes.
D valves.
E interneurons.