What is a Transforming Infection?
Virus that alters cell DNA, leading to cancer
What is a lysogenic infection?
Phage DNA is incorporated into host genome and is passed on to subsequent generations
What is a Lytic Bacteriophage Infection?
Host cell gets so packed with viruses that i...
Straighterline BIO202
FINAL TEST WITH
SOLUTIONS
RhoGam injections are given to - answer prevent sensitization of the
mother.
If a blood buffer is absent, which function of the blood would be
compromised? - answer Regulation of pH
Plasma is_________ while formed elements are_________. - answer the
liquid portion of blood; the cells
What may be affected if the enzyme carbonic anhydrase was not made in
the body? - answer Conversion of CO2 to bicarbonate ion
Arrange the following events of coagulation in proper sequence.
(1) Prothrombin → thrombin
(2) Fibrinogen → fibrin
(3) Activation of factor XII
,(4) Formation of prothrombinase - answer 3,4,1,2
Which type of gene expression occurs when a person has type AB blood?
- answer Codominance
Which of the following conditions is mismatched with its description? -
answer . Aplastic anemia - bone marrow fails to produce erythrocytes
b. Hemolytic anemia - increased destruction of erythrocytes
c. Pernicious anemia - loss of blood from the body
d. Hemorrhagic anemia - loss of blood from the body
e. Iron deficiency anemia - lack of iron absorption for erythropoiesis
Iron
Select one: - answer is needed to produce hemoglobin
Baroreceptor reflexes - answer can change heart rate
When left atrial pressure exceeds left ventricular pressure, - answer the
bicuspid (mitral) valve opens
When a pacemaker potential in the SA node reaches threshold, - answer
many voltage-gated Ca2+ channels open
All of the following cardiac measurements will increase during exercise
except_________. - answer end-systolic volume
, Energy for contraction of cardiac muscle cells comes primarily from -
answer aerobic respiration in the mitochondria
In a normal electrocardiogram, the - answer QRS complex results from
ventricular depolarization
Contraction of the papillary muscles would - answer prevent the AV valves
from protruding into the atria.
Diagnostic tests done on a patient show that many coronary arteries,
including the left main coronary artery are severely narrowed. Which of the
following is the best course of action to treat this patient? - answer
coronary bypass surgery
Which of the following phrases would apply to cardiac muscle cells? -
answer Possess special cell-to-cell contacts called intercalated discs
Valves similar to the semilunar valves of the heart are found in medium
and large_________. - answer veins
Peripheral chemoreceptors - answer are located in the aortic and carotid
bodies.
According to Poiseuille's law, a small decrease in the diameter of a vessel
will - answer dramatically decrease blood flow.
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