3.31 Unit Review

Front

What is horizontal gaze nystagmus?

Back

A test used in field sobriety tests to assess a person's ability to track an object with their eyes.

Front

How does ninhydrin develop latent fingerprints?

Back

Ninhydrin reacts with amino acids in the perspiration of the fingerprint, revealing the print.

Front

What are STRs in DNA?

Back

Short (2–5 base pair) sequences that are repeated one next to each other in non-coding portions of the DNA.

Front

What is the function of platelets in blood?

Back

Platelets are responsible for clotting blood.

Front

What is the primary function of a paint's pigment?

Back

The pigment provides color to the paint.

Front

What is the purpose of a field sobriety test?

Back

To assess a driver's physical and cognitive abilities to determine impairment.

Front

What is the role of amino acids in fingerprint development?

Back

Amino acids in perspiration react with ninhydrin to develop latent fingerprints.

Front

What is the significance of non-coding DNA?

Back

Non-coding DNA contains STRs which are useful in DNA profiling and forensic analysis.

Front

How do platelets contribute to hemostasis?

Back

Platelets aggregate at the site of a blood vessel injury to form a clot and stop bleeding.

Front

What are the components of blood?

Back

Blood is composed of red blood cells, white blood cells, platelets, and plasma.