1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vlad [161]
2 years ago
8

At what angle relative to the velocity of a red blood cell should the transducer be held during Doppler ultrasound to most accur

ately determine blood velocity?
Biology
1 answer:
Charra [1.4K]2 years ago
3 0

Answer:

The answer is 0º

Explanation:

The options are;

A. 0º

B. 30º

C. 45°

D. 90°

The answer is A- 0º (Zero degree)

Cosine θ is applied as a correction for the angle between the ultrasound beam and the direction of blood flow. Cos θ = 1 if the beam is parallel to the direction of blood flow, which allows the Doppler ultrasound measure maximum and accurate velocity.

You might be interested in
If glucose is absent, but so is lactose, the lac operon will be ________.
umka2103 [35]

Answer:

Activated

Explanation:

In the presence of lactose, and in the absence of glucose, lactose will bind to a protein called a "repressor," deactivating it. Through this, RNA polymerase has a free way to synthesize the mRNA that will give enzymes for lactose degradation.

7 0
3 years ago
Read 2 more answers
Summary for mutations
Talja [164]

Answer:

A mistaken change in DNA sequencing or coding that could be harmful, not noticed or beneficial

Hope this helps!

4 0
3 years ago
Which process in eukaryotic cells will normally proceed whether O2 is present or absent?
9966 [12]

Answer:

b) glycolisis

Explanation:

Glycolisis precedes the Krebs cycle and can take place under aerobic or anaerobic conditions. Under aerobic condition, energy is directed towards the Krebs cycle in the form of piruvate and NADH to create more ATP. Under anaerobic conditions piruvate does not enter the Krebs cycle and it is oxidized to produce lactate.

6 0
2 years ago
Lemon Juice
3241004551 [841]
Your answer is: <span>A) Lemon juice, water, Tums </span>
5 0
3 years ago
Read 2 more answers
An organism’s scientific name is Dendroica pensylvanica. What classification level does pensylvanica refer to?
Maslowich
Specific epithet, hope it helps
3 0
3 years ago
Read 2 more answers
Other questions:
  • Copper wires used to connect circuits in microprocessors (computer chips) are deposited by passing electrical current through a
    10·1 answer
  • Which neurotransmitter does lsd principally operate on? dopamine serotonin acetylcholine norepinephrine?
    13·1 answer
  • How did prostitutes prevent pregnancy in the old west?
    14·1 answer
  • Near witch major city were iron works found
    9·1 answer
  • A (blank) is a statement saying that what is presented is true.
    8·1 answer
  • Match each item to its description.
    9·2 answers
  • A chemical reaction is a process by which atoms or groups of atoms in substances
    14·1 answer
  • What is a codon?
    9·2 answers
  • TRUE/FALSE: In the elongation stage of Transcription, the mRNA sequence elongates as RNA polymerase moves along the DNA
    9·1 answer
  • I dONt WaNt TO `PLaY wItH a FisHEy On Me :)
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!