If the Cytoplasm of a Cell Is at PH 7

question 28

Multiple Choice

If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H⁺ ions ________.

• A) is 10 times higher in the cytoplasm than in the mitochondrial matrix
• B) is 10 times higher in the mitochondrial matrix than in the cytoplasm
• C) in the cytoplasm is 7/8 the concentration in the mitochondrial matrix
• D) in the cytoplasm is 8/7 the concentration in the mitochondrial matrix

---

Definitions:

ICD-9

The International Classification of Diseases, Ninth Revision, a system used for coding and classifying diagnoses and procedures associated with hospital utilization in the United States, now superseded by ICD-10.

Drug Test

A procedure to detect the presence of drugs or their metabolites in the body, typically using blood, urine, hair, or saliva samples.

ICD-10-PCS

International Classification of Diseases, Tenth Revision, Procedure Coding System; a coding system used to document medical procedures and services.

Hospital Inpatient

An individual who has been admitted to a hospital and stays overnight or for multiple days for medical care.