Where do the external nostrils lead to?

ATI RN

ATI RN Test Bank

A. Pharynx B. Trachea C. Larynx D. Nasal chamber

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

What is the primary muscle involved in the initiation of inspiration?

A. Diaphragm B. External intercostal muscles C. Internal intercostal muscles D. Abdominal muscles

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Which respiratory volume represents the volume of air that remains in the lungs even after a forcible expiration?

A. Inspiratory Reserve Volume (IRV) B. Expiratory Reserve Volume (ERV) C. Residual Volume (RV) D. Tidal Volume (TV)

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

How is the majority of oxygen (O₂) transported in the blood?

A. Dissolved in plasma B. Bound to white blood cells C. Carried by red blood cells (RBCs) D. Attached to platelets

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

How is carbon dioxide (CO₂) primarily carried by hemoglobin in the blood?

A. Dissolved in the plasma B. Bound to red blood cells (RBCs) C. Bound as carbamino-hemoglobin D. Converted into bicarbonate ions (HCO₃⁻)

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

$89/ 30 days

$150/ 90 days