Exam 2 Continued

Which of the following events is NOT part of inflammation?

Cytotoxic T cells are attracted to the area and destroy invading bacteria by phagocytosis

Which of the following is/are NOT true about the complement system?

It is part of our adaptive immune system

Which of the following events is mis-matched with the period of a muscle twitch .

all of the above ARE appropriately matched

Which of the following is/are true of myocardial ischemia?

all of these answers

Which heart sound is associated with closing of the AV valves?

first

Based on current (after 2017) guidelines hypertension could be diagnosed based on a systolic blood pressure __________ mmHg

130

A systolic blood pressure of __________ mmHg would be suggestive of hypotension

90

Muscle contraction requires a lot of energy and breaks down a lot of ATP. We also have multiple mechanisms to generate ATP to meet these energy demands. Which of the following is/are NOT true about ATP consumption in active skeletal muscle?

After Myosin ATPase, the next biggest consumer of ATP during aerobic muscular exercise is the mitochondria

Which of the following blood types can type B+ donate to?

B+ and AB+

In skeletal muscle, when an action potential spreads down the T tubles it activates ____________________, which serve as _____________; this plays an important role in the release of calcium.

Dihydropyridine receptors, voltage sensors

If ______________ receptors (a type of proprioreceptor) are active, they would tend to inhibit the contraction of the muscle where they are located

Golgi Tendon Organs

In which parts of a sarcomere would we find the least amount of actin? Assume the muscle and sarcomere are at optimal, resting length.

H Zone

Which of the following fiber types would tend to have the greatest capillary density?

I

Which of the following fiber types would tend to have the lowest amount of SERCA's?

I

Which of the following blood types would tend to store the most glycogen?

IIX

Which of the following fiber types would be easiest to fatigue?

IIX

Which of the following is/are true about the second heart sound?

It occurs when the pressure in the ventricles fall below the pressure in the aorta.

Which of the following is NOT a property of type IIX fibers?

Low SERCA density

Which of the folliowng blood types can O+ donate to?

O+ AB+ A+ B+

Which of the following is/are true about pennate muscles?

This fiber arrangement is associated with larger physiological cross sectional area

The fourth heart sound would occur when during the cardiac cycle?

during late filling of the ventricle when the atria contract

Which of the following events occur when the pressure in the atria is higher than the pressure in the ventricles?

filling of the ventricles

If a muscle were performing a concentric contraction, we would expect the following to decrease in length EXCEPT:

the A band