Regarding muscle strength, which is not a factor?

ATI RN

ATI RN Test Bank

A. resting muscle length B. cross sectional area C. lever arm length D. the extent to which the muscle is contracted

Correct Answer: D

Rationale: Muscle contraction extent does not directly affect strength but rather its efficiency.

Which of the following is a characteristic of nervous tissue?

A. Excitability B. Elasticity C. High cellularity D. Storage of nutrients

Correct Answer: A

Rationale: Nervous tissue is excitable, allowing it to generate and transmit electrical impulses.

Pseudostratified columnar epithelium is commonly found in which part of the body's respiratory system?

A. Trachea B. Stomach lining C. Small intestine D. Liver

Correct Answer: A

Rationale: Pseudostratified columnar epithelium lines the trachea, often with cilia.

Which type of muscle tissue is characterized by a single nucleus and involuntary contractions?

A. Skeletal muscle B. Cardiac muscle C. Smooth muscle D. Striated muscle

Correct Answer: C

Rationale: Smooth muscle has a single nucleus and is involuntary.

What is the primary function of ciliated pseudostratified columnar epithelium in the respiratory tract?

A. Protection against abrasion B. Rapid diffusion of gases C. Stretch and recoil D. Storage of nutrients

Correct Answer: A

Rationale: Cilia move mucus to protect against abrasion and trap particles.

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