Exam 20: Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Studies have shown that in addition to the physiological benefits of exercising, an additive benefit may be decreased anxiety and depression.

In general, males have a greater muscle mass than females because they produce greater quantities of

-Consider the figure illustrating the two major classes of hormones and their actions. Which class of hormones would you expect to be ideally suited for long-term processes such as growth and development?

When studying the differences between various human groups, it's often found that the differences within a group (individual-based)are ________ the differences between two groups (group-based).

You are a famous endocrinologist and are presented with a case in which a genetically determined male (XY)exhibits secondary female characteristics, including breast development and lack of facial hair growth. You hypothesize that this patient may

Earthworms and sea anemones do not have bones. They move by the actions of muscles on a fluid-filled compartment. This system is called a(n)

In general, the first signs of puberty occur earlier in life for girls than for boys.

Arm and leg muscles are arranged in antagonistic pairs. How does this affect their functioning?

The striated appearance of skeletal muscle is due to the

Because of generally larger Q angles, women may be more susceptible to knee injuries than men.

Which of the following skeletal systems is ideally suited for organisms that live underground or float in water?

Which is a ball-and-socket joint?

A human's soft internal organs are protected by the ________ skeleton.

Muscle contraction occurs when a sarcomere

Diabetes insipidus is an inherited endocrine malfunction in which the kidneys fail to reabsorb normal amounts of water. Treatment of this disease involves replacing a missing hormone. Which of the following is the correct hormone to administer to this patient?

From infancy to adulthood, a large proportion of human growth occurs in the extremities as compared to the torso.

Which of the major types of muscle in humans has a primary function in movement?

Which muscle component is smallest?

Without the protein myosin, a muscle would lack

Because women have a broader pelvis, their Q angle is smaller than the Q angle in men.