What blood vessel exchanges nutrients?
capillary
What type of blood vessel is elastic?
artery
What type of cell produces antibodies?
B
T or F
The proximal tubule reabsorbs glucose
True
When calcium in the sarcoplasm is low, is myosin binding inhibited or favoured?
Inhibited
Where is the SA node located?
the top of the right atrium
How many semilunar valves are there?
2
T or F
lymphocytes produce antigens
False
What structure carries urine into the renal pelvis?
collecting duct
A thick myofilament is...
myosin
Oxygenated blood is in the left ventricle. What structure does the blood get pumped to next?
aorta
What is the liquid AND solid portion of blood?
plasma AND platelets/RBC/WBC
You are exposed to an antigen for the second time. What type of T cell initiates action?
Memory T
When there are high levels of sodium in the renal medulla, what structure does sodium actively transport out of the nephron?
ascending loop of Henle
What 4 words can you use to describe a cardiac muscle?
striated
tubular
branched
involuntary
The blood type that has neither A or B antibodies is...
AB
contraction of the walls of the heart is called...
Hint: systole or diastole
systole
What component of blood has a hemoglobin and no nucleus?
RBC
ADH affects what two nephron structures?
collecting duct and distal tubule
T or F
When a muscle contracts, the z-lines are pulled closer together.
T
The lub sound is caused by what valves closing?
AV valves (tricuspid and bicuspid)
When your body is exposed to a cold environment, would you expect vasoconstriction or vasodilation to reduce the amount of heat dissipated from the skin?
vasoconstriction
T or F:
Production of RBC is a function of the lymphatic system.
Flase
Two Questions for Daily Double!! Both are True/False Questions
1. When blood is too basic, H is excreted.
2. Low blood pressure causes aldosterone to be released.
1. F
2. T
In the sliding filament model, does the
1. actin slide past the myosin
2. myosin slide past the actin
1.