Why is the contraction strength of smooth muscle relatively independent of its resting length?

A) It gets nearly all of its Ca²⁺ from the extracellular fluid.
B) It does not have intercalated discs.
C) It does not have sarcomeres.
D) It is regulated by a length-tension relationship.
E) It is involuntary muscle.

Which group of muscles covers the dorsal surface of the neck and scapula?

A) deltoid group
B) rhomboideus group
C) trapezius group
D) pectoralis group

The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the ________.

A) rectus abdominis
B) transversus abdominis
C) external abdominal oblique
D) internal abdominal oblique
E) linea alba

Identify the structures that are part of the epithalamus. (Check all the apply.)

A) Habenula
B) Mammillary bodies
C) Pineal gland
D) Pituitary gland
E) Thalamus

Which of the following describes the flow of information in protein synthesis?

A) protein → RNA → DNA
B) DNA → RNA → protein
C) DNA → protein → RNA
D) RNA → DNA → protein
E) RNA → protein → DNA

When testing the biceps reflex, what is the proper area to tap with the reflex hammer?

A) In the middle of the biceps brachii muscle
B) On one of the biceps tendons in the shoulder area
C) On the tendon of the triceps brachii muscle in the elbow
D) Anywhere on the biceps brachii muscle
E) The biceps brachii tendon in the bend of the elbow

Four of the five answers listed below are characteristic of dicots. Select the exception.

A) vascular bundles organized in a ring
B) veins formed in a net-like array
C) flower parts in fours or fives
D) two cotyledons
E) pollen grains with one pore or furrow

Tomatoes are a fleshy fruit.

What is one way in which acting as a selfish herd can protect members of the herd?

A) Subordinate group members provide food for offspring of dominant members.
B) A group member spots a threat and warns others of its approach.
C) Cooperative hunting allows a group of predators to capture larger or faster prey.
D) Members of groups learn tool production skills.
E) Group members fend off scavengers.