- Description
BIO 351 Wk 6 – Quiz
- Question 1
External fertilization occurs in which type of environment?
savanna
aquatic
forested
steppe
- Question 2
Patients with Addison’s disease do which of the following?
have too much aldosterone
retain water
lose salts and water
retain salts
- Question 3
When a dehydrated human patient needs to be given fluids intravenously, he or she is given which of the following?
blood
glucose because it is a non-electrolyte
saline at a concentration that is isotonic with respect to body fluids
water, which is hypotonic with respect to body fluids
- Question 4
How do arteries differ from veins?
Arteries are thin walled and are used for gas exchange.
Arteries have thinner smooth muscle layers and valves and move blood by the action of skeletal muscle.
Arteries have thicker smooth muscle layers to accommodate the changes in pressure from the heart.
Arteries carry blood.
- Question 5
Which organelle do phagocytes use to digest engulfed particles?
endoplasmic reticulum
nucleus
lysosome
mitochondria
- Question 6
Which gland is located at the top of the kidney?
thymus
thyroid
adrenal
pituitary
- Question 7
In humans, the plasma comprises what percentage of the blood?
90%
55%
25%
45%
- Question 8
Upon reexposure to a pathogen, a memory B cell can differentiate to which cell type?
plasma cell
naive B cell
CTL
memory T cell
- Question 9
What is blood flow that is directed through the lungs and back to the heart called?
unidirectional circulation
pulmonary circulation
pulmocutaneous circulation
gill circulation
- Question 10
Which hormone signals ovulation?
FSH
estrogen
LH
inhibin