Which of the following identifies the hepatic flexure?
Splenic flexure
Right colic flexure
Pontine flexure
Left colic flexure
The Correct Answer is B
a. Splenic flexure: This is the bend between the transverse and descending colon on the left side, also known as the left colic flexure.
b. Right colic flexure: The hepatic flexure, also known as the right colic flexure, is the bend between the ascending and transverse colon near the liver.
c. Pontine flexure: This refers to a bend in the developing brainstem, not the colon.
d. Left colic flexure: This is another name for the splenic flexure, not the hepatic flexure.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
a. Trachea: The trachea is the windpipe, a tube that carries air from the larynx to the bronchi in the lungs. It does not contain vocal cords.
b. Pharynx: The pharynx is a muscular passageway at the back of the throat that connects the nasal cavity, oral cavity, and larynx. It does not contain vocal cords.
c. Larynx: The larynx, also known as the voice box, is located in the throat and contains the vocal cords. These are two folds of muscle that vibrate when air passes over them, producing sound for speech.
d. Epiglottis: The epiglottis is a small flap of cartilage that covers the opening of the larynx during swallowing. It does not contain vocal cords.
Correct Answer is B
Explanation
a: Receptor - Receptors are proteins that bind to signaling molecules (ligands) outside the cell and initiate cellular responses but do not typically facilitate ion movement.
b. Channel-Integral membrane proteins called ion channels create pores in the cell membrane, allowing specific ions to pass through, thus facilitating ion movement into or out of the cell.
c: Ligand - Ligands are signaling molecules that bind to receptors, activating them, but they do not facilitate ion movement.
d: Peripheral - Peripheral proteins are found on the surface of the cell membrane but are not typically involved in creating ion channels
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